package com.itheima;

public class Hello {
    private String name2;
    private int age1;

    public static void main(String[] args) {
        System.out.println("Hello 666999x");
        int a = 10;
        int b = 20;
        a = a + 1;
        a = a + b;
        a = a * b;
        a = a - b;
        System.out.println(a);
    }
}
